Subjects: the river and i (sorted by quantity of books)
- Ohio River Valley 1 book
- Merrimack River (N.H. and Mass.) -- Description and travel 1 book
- Indians of North America -- Mississippi River Valley -- Early works to 1800 1 book
- Penobscot River (Me.) 1 book
- Murray River Region (N.S.W.-S.A.) -- Description and travel 1 book
- Paleontology -- Connecticut River Valley 1 book
- Geology -- Amazon River Valley 1 book
- Bièvre River (France) 1 book
- Cost and standard of living -- Massachusetts -- Fall River 1 book
- Mississippi River -- History -- Civil War, 1861-1865 -- Juvenile fiction 1 book
- Frontier and pioneer life -- Ohio River Valley -- Juvenile fiction 1 book
- Potomac River 1 book
- Steam-navigation -- Niagara River (N.Y. and Ont.) 1 book
- Tigris River Valley -- Description and travel 1 book
- Juniata River Valley (Pa.) -- Genealogy 1 book
- Indians of North America -- Pennsylvania -- Juniata River Valley 1 book
- Saint Lawrence River -- Description and travel 1 book
- Amazon River Valley -- Fiction 1 book
- Footprints, Fossil -- Connecticut River Valley 1 book
- Danube River -- Juvenile fiction 1 book
- Arno River Valley (Italy) -- Description and travel 1 book
- Hunting -- Mississippi River Valley 1 book
- Saint Lawrence River Valley -- Fiction 1 book
- Washington, George, 1732-1799 -- Travel -- Shenandoah River Valley (Va. and W. Va.) 1 book
- Geul River Valley (Belgium and Netherlands) -- Description and travel 1 book